#include <stdio.h>

int main() {
    int a;
    int* b;
    int* c;

    a = 42;
    b = &a;
    c = NULL;

    printf("%d\n", *b);

    if (b == NULL)
        printf("b is NULL\n");
    else
        printf("b is not NULL\n");

    if (c == NULL)
        printf("c is NULL\n");
    else
        printf("c is not NULL\n");

    return 0;
}

/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/
